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This study aims to introduce a building control system which is able to handle a huge number of
electrical equipments. The proposed method is named grouping building control systems and was implemented
to classroom. The unique point is that a school has a huge number of classrooms which could be grouped in
separated buildings. In order to deal with this situations, the idea of grouping controllers might be able to
reduce wiring complexity and conform the number of port connections in hardware controlling system. When
the system is implemented to classrooms it would be used by a lot of users. Furthermore, maintenance of a huge
number of devices should be done regularly. The unique point of the proposed system is that in order to
maintain the system a report application could reduce the complexity of maintenance the devices. Considering
functionality, the results showed that the system worked as the necessity.
